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Finding the Fourth Proportional to 96,656.43, 144,911.75 and 63,384.87

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Solution

The fourth proportional to 96,656.43, 144,911.75 and 63,384.87 is: 95,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,656.43 : 144,911.75 = 63,384.87 : x
  2. Step 2: Convert to fraction form
    96,656.43/144,911.75 = 63,384.87/x
  3. Step 3: Cross multiply
    96,656.43x = 144,911.75 × 63,384.87
  4. Step 4: Simplify right side
    96,656.43x = 9,185,212,118.30
  5. Step 5: Solve for x
    x = 9,185,212,118.30/96,656.43
  6. Step 6: Final answer
    x = 95,029.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.